.8 mil plastic with 2 rows of slits
Constructed by installing 6-foot wide sheets of slitted plastic over wire hoops that are spaced about 4-5 feet apart. The cover is pulled taut over the hoops, and the edges of the cover are secured with soil. Generally, the cover is left over the plants for 3-4 weeks. The slits provide daytime ventilation, eliminating the need for manual venting. Low tunnels are generally used in conjunction with black plastic mulch for weed control and enhanced soil warming.
Benefits:
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Frost protection of 2 to 4° F
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Growth Enhancement
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Early Production of Crops
Daytime temperatures might be excessive under the cover. Under those conditions, partial removal of the cover may be necessary.